package com.itdou.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itdou.reggie.common.R;
import com.itdou.reggie.dto.DishDto;
import com.itdou.reggie.entity.Category;
import com.itdou.reggie.entity.Dish;
import com.itdou.reggie.entity.DishFlavor;
import com.itdou.reggie.entity.Employee;
import com.itdou.reggie.service.CategoryService;
import com.itdou.reggie.service.DishFlavorService;
import com.itdou.reggie.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import sun.rmi.runtime.Log;

import java.util.List;
import java.util.stream.Collectors;

/**
 * 菜品管理
 */
@Slf4j
@RestController
@RequestMapping("/dish")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private DishFlavorService dishFlavorService;

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增菜品
     * @param dishDto
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());

        dishService.saveWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }

    /**
     * 菜品信息分页
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        //构造分页构造器
        Page<Dish> pageInfo=new Page(page,pageSize);
        Page<DishDto> dishDtoPage=new Page();

        //条件构造器
        LambdaQueryWrapper<Dish> wrapper = new LambdaQueryWrapper<>();
        //添加过滤条件
        wrapper.like(StringUtils.isNotBlank(name),Dish::getName,name);
        //添加排序条件
        wrapper.orderByDesc(Dish::getUpdateTime);

        //执行查询
        dishService.page(pageInfo,wrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");

        List<Dish> records = pageInfo.getRecords();

        List<DishDto> list = records.stream().map((record)->{
            DishDto dishDto = new DishDto();

            //对象拷贝
            BeanUtils.copyProperties(record,dishDto);

            Long categoryId = record.getCategoryId();//分类id
            Category category = categoryService.getById(categoryId);
            if (category!=null){
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            return dishDto;
        }).collect(Collectors.toList());

        dishDtoPage.setRecords(list);

        return R.success(dishDtoPage);
    }

    /**
     * 根据id查询菜品信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id){
        DishDto dishDto = dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
    }

    /**
     * 修改菜品
     * @param dishDto
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());

        dishService.updateWithFlavor(dishDto);
        return R.success("修改菜品成功");
    }

    /**
     * 根据条件查询菜品
     * @param dish
     * @return
     */
    @GetMapping("/list")
    public R<List<DishDto>> list(Dish dish){
        //条件构造器
        LambdaQueryWrapper<Dish> wrapper = new LambdaQueryWrapper();
        //添加过滤条件
        wrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
        wrapper.eq(Dish::getStatus,1);
        //添加排序条件
        wrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);

        List<Dish> list = dishService.list(wrapper);

        List<DishDto> dishDtoList = list.stream().map((record)->{
            DishDto dishDto = new DishDto();

            //对象拷贝
            BeanUtils.copyProperties(record,dishDto);

            Long categoryId = record.getCategoryId();//分类id
            Category category = categoryService.getById(categoryId);
            if (category!=null){
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }


            Long id = record.getId();
            LambdaQueryWrapper<DishFlavor> lambdaQueryWrapper = new LambdaQueryWrapper<>();
            lambdaQueryWrapper.eq(DishFlavor::getDishId,id);
            List<DishFlavor> list1 = dishFlavorService.list(lambdaQueryWrapper);
            dishDto.setFlavors(list1);

            return dishDto;
        }).collect(Collectors.toList());


        return R.success(dishDtoList);
    }
}
